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Incidence of gastroduodenal ulcers during treatment with celecoxib or diclofenac: pooled results from three 12-week trials in Chinese patients with osteoarthritis or rheumatoid arthritis.

Abstract：

AIM:To test whether treatment with celecoxib reduces the incidence of gastroduodenal ulcers compared to diclofenac in Asian patients with osteoarthritis (OA) or rheumatoid arthritis (RA) with minimal significant risk factors. METHODS:Patients with a clinical diagnosis of OA or RA of at least 3 months were randomized to 12 weeks of double-blind treatment with celecoxib 100 mg twice daily (n = 440) or diclofenac 50 mg twice daily (n = 440). The primary outcome was the gastric and/or duodenal ulcer rate at endpoint as determined by upper gastrointestinal endoscopy performed during the screening week, and at endpoint. RESULTS:There was no significant difference in the overall incidence of gastroduodenal ulcers at 12-week endpoint for celecoxib compared to diclofenac (2.8% vs. 5.1%; Cochran-Mantel-Haenszel [CMH] chi(2) P = 0.083). However, there was a significantly lower incidence of gastric ulcers on celecoxib versus diclofenac (0.5% vs. 3.6%; CMH chi(2) P = 0.002). Approximately 59% of patients in both treatment groups had no visible gastric lesions at endpoint; and a similar proportion were found to have one or more erosions on celecoxib (n = 85; 21.4%) and diclofenac (N = 91; 23.3%). A survival analysis of time to ulcer was significant for gastric ulcers (log-rank P = 0.004), but not for duodenal ulcers, or for gastroduodenal ulcers combined. Fewer patients reported at least one adverse event on celecoxib compared to diclofenac (42.4% vs. 50.3%; chi(2), 5.52; P = 0.019). CONCLUSIONS:In Asian patients with minimal significant risk factors, treatment with celecoxib was associated with a modest but significantly reduced incidence of gastric ulcers at the end of 12 weeks.

journal_name

Int J Rheum Dis

journal_title

International journal of rheumatic diseases

authors

Cheung R,Cheng TT,Dong Y,Lin HY,Lai K,Lau CS,Feng H,Parsons B

doi

10.1111/j.1756-185X.2010.01463.x

subject

Has Abstract

pub_date

2010-05-01 00:00:00

pages

151-7

issue

eissn

1756-1841

issn

1756-185X

pii

APL1463

journal_volume

pub_type

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Incidence of gastroduodenal ulcers during treatment with celecoxib or diclofenac: pooled results from three 12-week trials in Chinese patients with osteoarthritis or rheumatoid arthritis.